MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised websites or disposable hosting, indicative of a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to lure users to phishing sites or download further malware. The presence of multiple external URIs and a link farm pattern points towards a phishing or credential harvesting attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://tomboy2.com/images/library/File/55019084258.pdf In PDF document text
- https://multimetrics.com/ckfinder/userfiles/files/nememiwomisuwisiv.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/koladoxomamomam.pdfIn PDF document text
- http://kerekesvillszer.hu/UserFiles/file/jofub.pdfIn PDF document text
- http://ksnjl.com/userfiles/files/dilifepuvovifiduwo.pdfIn PDF document text
- https://www.ebenisterie-burette.com/ckfinder/userfiles/files/bunomakegox.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/797d345c64de21b49f43e1847ecb2ca5/vefegowepoxib.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/79107993781.pdfIn PDF document text
- https://guanlai.tw/uploads/files/202109271014238256.pdfIn PDF document text
- https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/tonosumubumesimakubidag.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16142553c69ec0---fosoxanewemo.pdfIn PDF document text
- https://kultmotor.hu/images/files/54393755795.pdfIn PDF document text
- http://colorsoftexas.com/ckfinder/userfiles/uploads/6003401425.pdfIn PDF document text
- http://laskod.hu/userfiles/file/poraladowuzunepefowa.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/22342379965.pdfIn PDF document text
- https://ncvpte.in/userfiles/file/68727893401.pdfIn PDF document text
- http://magnumprint.ru/upload/files/soletegopowodajop.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed0874ad08---2820430725.pdfIn PDF document text
- http://thanhlapcongtykiengiang.com/upload/ck/files/32173723774.pdfIn PDF document text
- https://svarovanijelinek.cz/ckfinder/userfiles/files/vodozafibuwizosaxagira.pdfIn PDF document text
- http://krakow4you.pl/krakow/files/xawanilepenegazobo.pdfIn PDF document text
- http://budapesticukraszdak.hu/userfiles/files/kawibi.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/dd47673c1d1993dfd6ad88e453fb9b0a/gegatuw.pdfIn PDF document text
- http://spbi.cz/res/file/60395884399.pdfIn PDF document text
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/2442456450.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=types+of+serval+catsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000118e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000130f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F9 | 20460 bytes |
SHA-256: 2fa531ca5d00fe6602ec63f6fc5d56825fd4f31d778dfb06f4e288390c10f2b0 |
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font_02_sfnt_off000165ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165FF | 10420 bytes |
SHA-256: 3fa4ebee3fa21fc9c691a9f1c511ddade8b7e8b0d011d02ef64589d01306e865 |
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